Abstract? Nah. My sister who studied psychology during college would call that the work of a passive-aggressive. Haha! Look at those angry lines. Is she angry at us and is merely venting her feelings upon the poor paper? Hee hee.
Yes. Those are crayon marks on her old bathtub (which my piglet of a nephew El uses now). Even that thing did not escape her crazy need to sign her trademark on every writable surface. Oh well I guess we all go through that.